Princess Catherine surprised cancer patients at the same hospital where she was treated last year for her type of cancer.

Kate Middleton visited the Royal Marsden Hospital in London on Tuesday, Jan. 14, where she received chemotherapy treatment after her cancer diagnosis last year. See all the photos here

Catherine, Princess of Wales revealed on Tuesday that she is in remission from cancer, following a visit to the London hospital where she was treated last year.

Kate Middleton made a surprise visit to the Royal Marsden Hospital where she received cancer treatment, following her diagnosis last year.

The Princess of Wales made a surprise return to the Royal Marsden Hospital to personally thank staff who looked after her during her cancer treatment on Tuesday. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

"If you are receiving chemotherapy or radiation treatment for cancer, the biggest risk is excessive sun exposure," the article notes. "Radiation therapy can cause dryness, itching, redness and blistering of the skin. Sun exposure could worsen these effects and cause increased discomfort."

We don’t need to know what cancer she had,” said one woman who spoke to Kate on Tuesday. “We just know she’s been through surgery, she’s been through chemo—and one year later, my goodness, look, she is here.

Princess Kate returned to The Royal Marsden, where she underwent chemortherapy, and while she was there she made a startling remark, it's being reported.

Kate Middleton has been praised for her sensitive timing amid her latest move to visit the Royal Marsden Hospital, where she received treatment for cancer.

New details have come to light regarding Kate Middleton's cancer treatment. After the Princess of Wales returned to the Royal Marsden Hospital earlier this week, one of the cancer patients she visited shared a new detail she learned about Middleton's own chemotherapy experience.